i am trying to display image in gridveiw with table value

namespace OCMS1
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Upload(object sender, EventArgs e)
        {
            byte[] bytes;
            using (BinaryReader br = new BinaryReader(FileUpload1.PostedFile.InputStream))
            {
                bytes = br.ReadBytes(FileUpload1.PostedFile.ContentLength);
            }
            string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
            using (SqlConnection conn = new SqlConnection(constr))
            {
                string sql = "INSERT INTO tblFiles VALUES(@Name, @Data)";
                using (SqlCommand cmd = new SqlCommand(sql, conn))
                {
                    cmd.Parameters.AddWithValue("@Name", txtName.Text.Trim());
                    cmd.Parameters.AddWithValue("@Data", bytes);
                    conn.Open();
                    cmd.ExecuteNonQuery();
                    conn.Close();
                }
            }

            Response.Redirect(Request.Url.AbsoluteUri);
        }
    }
}